IMG01 = new Image();IMG01.src="./image/btn_01.jpg";
IMG02 = new Image();IMG02.src="./image/btn_01_lnk.jpg";
IMG03 = new Image();IMG03.src="./image/btn_02.jpg";
IMG04 = new Image();IMG04.src="./image/btn_02_lnk.jpg";
IMG05 = new Image();IMG05.src="./image/btn_03.jpg";
IMG06 = new Image();IMG06.src="./image/btn_03_lnk.jpg";
IMG07 = new Image();IMG07.src="./image/btn_04.jpg";
IMG08 = new Image();IMG08.src="./image/btn_04_lnk.jpg";
IMG09 = new Image();IMG09.src="./image/btn_05.jpg";
IMG10 = new Image();IMG10.src="./image/btn_05_lnk.jpg";

function ChangeImage(imgname,imgno) {
document.images[imgname].src = eval(imgno + ".src");
}